These speakers are in a nother dimension. Clear sound at full volume, extremely loud and draws lots of power. At first I did not power these speakes with an amp. I had It powering by my kewood headunit. yes they'r munch better then stock an alpine type S & R. witch i have in the back door of my jeep. so i just assumed thats how loud they get. powerd by my headunit. powering the speakers throw the headunit you had to lower the bass throw your settings of the headunit witch made my subs not have a lot of force. so later in the year i wanted to grow my system, 6x9 rockford power in the back and bigger subs, and added a 2nd battery. so i was like i need an 4ch aamp to power my 6 speakers. so I whent with the RE 800.4 amp. witch is a wonderful amp. afer i installed the RE amp and gave it a test run i was so impressed by change in performance throw the Rockfords 6.5 speakers. they can go even louder and louder with clear vocals. i bust down in man tears lol. best purchased i made right behide purchasing my car. lol. Buy them form sonic dont do what i did and go to a local audio store. these speakers will cost u well over 200$. and if you not looking to power the 6.5 rockford Power speakers just go with Punch or Prime series, you will still get that clear/loud sound but with out digging too deep in your pockets. love sonic best onine car audio store in the USA.
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